CVE-2017-17382

high-risk
Published 2017-12-13

Citrix NetScaler Application Delivery Controller (ADC) and NetScaler Gateway 10.5 before build 67.13, 11.0 before build 71.22, 11.1 before build 56.19, and 12.0 before build 53.22 might allow remote attackers to decrypt TLS ciphertext data by leveraging a Bleichenbacher RSA padding oracle, aka a ROBOT attack.

Do I need to act?

!
78.3% chance of exploitation in next 30 days
EPSS score — higher than 22% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.9/10 Medium
NETWORK / HIGH complexity

Affected Products (8)

Affected Vendors

Citrix

References (10)

Third Party Advisory http://www.securityfocus.com/bid/102173
Third Party Advisory http://www.securitytracker.com/id/1039985
Third Party Advisory https://robotattack.org/
Vendor Advisory https://support.citrix.com/article/ctx230238
Third Party Advisory https://www.kb.cert.org/vuls/id/144389
Third Party Advisory http://www.securityfocus.com/bid/102173
Third Party Advisory http://www.securitytracker.com/id/1039985
Third Party Advisory https://robotattack.org/
Vendor Advisory https://support.citrix.com/article/ctx230238
Third Party Advisory https://www.kb.cert.org/vuls/id/144389
52
/ 100
high-risk
Severity 18/34 · Moderate
Exploitability 20/34 · Moderate
Exposure 14/34 · Moderate